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LEASES - Lease Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Leases [Abstract]
Operating Lease, Cost	$ 59	$ 60
Short-term Lease, Cost	2	1
Variable Lease, Cost	14	14
Sublease Income	(13)	(14)
Total Lease, Cost	$ 62	$ 61
Total rent expense			$ 75

X

- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980

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-Topic 842
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-Section 55
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Period Type:	duration

X

- References

No definition available.

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X

- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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-Publisher FASB
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-SubTopic 20
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Period Type:	duration

X

- Definition

Amount of short-term lease cost, excluding expense for lease with term of one month or less.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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X

- Definition

Amount of sublease income excluding finance and operating lease expense.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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X

- Definition

Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

+ References

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